|
1995 Chevrolet C2500 Suburban 7.4L Excessive Emissions
Need help guys. Car failed asm dyno smog test for nox. Linear egr can be commanded via scan tool on and off and will stall engine. During asm test, egr valve can be commanded to 75% and nox readings go from [...] to 100ppm. This tells me that ecm is not comman... FIX posted 8/31/2012 6 Replies Received (View Replies)6 Replies Received (Hide Replies)
|
Message Closed
|
6 Replies Received
6 Replies Received
Related Documents & Media 
Vehicle Data| VIN | 1GNGK26N0S |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / tbi |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions |
Video